rename cache keys.

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/bean/exporttask/ExportTask.java

@@ -10,6 +10,7 @@ import cn.com.qmth.examcloud.core.oe.admin.service.bean.examaudit.ExamAuditQuery
 import cn.com.qmth.examcloud.core.oe.admin.service.bean.examrecord.ExamRecordQuery;
 import cn.com.qmth.examcloud.core.oe.admin.service.bean.examscore.ExamScoreQuery;
 import cn.com.qmth.examcloud.core.oe.admin.service.bean.examstudent.ExamStudentQuery;
+import cn.com.qmth.examcloud.support.CacheConstants;
 import cn.com.qmth.examcloud.web.redis.RedisClient;
 import cn.com.qmth.examcloud.web.support.SpringContextHolder;
 import org.slf4j.Logger;
@@ -38,7 +39,7 @@ public class ExportTask extends Thread {
                     continue;
                 }
 
-                String cacheLock = "$_CACHE_LOCK:OE_EXPORT_TASK:" + et.getId();
+                String cacheLock = CacheConstants.LOCK_OE_EXPORT_TASK + et.getId();
                 Boolean lock = redisClient.setIfAbsent(cacheLock, cacheLock, cacheLockTimeout);
                 if (!lock) {
                     log.warn("ExportTask lock... " + cacheLock);